/*
 * Copyright (c) 2006, 2021, webrx.cn All rights reserved.
 *
 */

/**
 * <p>Project: javase - O2
 * <p>Powered by webrx On 2021-11-29 09:36:09
 *
 * @author webrx [webrx@126.com]
 * @version 1.0
 * @since 17
 */
public class O2 {
    //类变量，是静态变量
    static int y;
    //实例变量
    int i;
    //成员变量
    int age;
}

